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Ryoichi ISHIHARA Arie GLAZER Yoel RAAB Peter RUSIAN Mannie DORFAN Benzi LAVI Ilya LEIZERSON Albert KISHINEVSKY Yvonne van ANDEL Xin CAO Wim METSELAAR Kees BEENAKKER Sara STOLYAROVA Yael NEMIROVSKY
CMOS poly-Si thin-film transistors (TFTs) were fabricated through crystallization and GILD processes by a novel selected area laser assisted (SALA) system. The system enables a local area irradiation of small beams of a pulsed solid-state laser of frequency tripled Nd:YAG. The novel TFT process eliminated 3 doping mask steps of the conventional process. On-off current ratios for both types of poly-Si TFTs were improved by SALA. The field effect mobility of n- and p-channel TFTs is 84 cm2/Vs and 75 cm2/Vs, respectively.